[INFO] fetching crate kaitai-macros 0.1.2...
[INFO] testing kaitai-macros-0.1.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate kaitai-macros 0.1.2 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate kaitai-macros 0.1.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kaitai-macros 0.1.2
[INFO] finished tweaking crates.io crate kaitai-macros 0.1.2
[INFO] tweaked toml for crates.io crate kaitai-macros 0.1.2 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f80d0d4277c2eb9da946807a7ad5017e1cf4f453ef73dfc968ea9d69e433b3ad
[INFO] running `Command { std: "docker" "start" "-a" "f80d0d4277c2eb9da946807a7ad5017e1cf4f453ef73dfc968ea9d69e433b3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f80d0d4277c2eb9da946807a7ad5017e1cf4f453ef73dfc968ea9d69e433b3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80d0d4277c2eb9da946807a7ad5017e1cf4f453ef73dfc968ea9d69e433b3ad", kill_on_drop: false }`
[INFO] [stdout] f80d0d4277c2eb9da946807a7ad5017e1cf4f453ef73dfc968ea9d69e433b3ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e90a2d4a7f0c753e37c61b255e56cbe4d4bdb687470bf9693a5d819bfa0ca6d7
[INFO] running `Command { std: "docker" "start" "-a" "e90a2d4a7f0c753e37c61b255e56cbe4d4bdb687470bf9693a5d819bfa0ca6d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling kaitai-macros v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_span, register_tool)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kaitai-macros` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e90a2d4a7f0c753e37c61b255e56cbe4d4bdb687470bf9693a5d819bfa0ca6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90a2d4a7f0c753e37c61b255e56cbe4d4bdb687470bf9693a5d819bfa0ca6d7", kill_on_drop: false }`
[INFO] [stdout] e90a2d4a7f0c753e37c61b255e56cbe4d4bdb687470bf9693a5d819bfa0ca6d7